Merge from emacs-24; up to 2012-12-06T01:39:03Z!monnier@iro.umontreal.ca

[bpt/emacs.git] / lisp / gnus / gnus-sync.el

diff --git a/lisp/gnus/gnus-sync.el b/lisp/gnus/gnus-sync.el
index b5f8379..8cf92df 100644 (file)
--- a/lisp/gnus/gnus-sync.el
+++ b/lisp/gnus/gnus-sync.el
@@ -1,6 +1,6 @@
 ;;; gnus-sync.el --- synchronization facility for Gnus
 
-;; Copyright (C) 2010-2012  Free Software Foundation, Inc.
+;; Copyright (C) 2010-2013 Free Software Foundation, Inc.
 
 ;; Author: Ted Zlatanov <tzz@lifelogs.com>
 ;; Keywords: news synchronization nntp nnrss
@@ -109,6 +109,13 @@ this setting is harmless until the user chooses a sync backend."
   :group 'gnus-sync
   :type '(repeat regexp))
 
+(defcustom gnus-sync-newsrc-offsets '(2 3)
+  "List of per-group data to be synchronized."
+  :group 'gnus-sync
+  :version "24.4"
+  :type '(set (const :tag "Read ranges" 2)
+             (const :tag "Marks" 3)))
+
 (defcustom gnus-sync-global-vars nil
   "List of global variables to be synchronized.
 You may want to sync `gnus-newsrc-last-checked-date' but pretty
@@ -131,6 +138,11 @@ and `gnus-topic-alist'.  Also see `gnus-variable-list'."
 (defvar gnus-sync-newsrc-loader nil
   "Carrier for newsrc data")
 
+(defcustom gnus-sync-file-encrypt-to nil
+  "If non-nil, `epa-file-encrypt-to' is set from this for encrypting the Sync
+  file."
+  :group 'gnus-sync)
+
 (defcustom gnus-sync-lesync-name (system-name)
   "The LeSync name for this machine."
   :group 'gnus-sync
@@ -169,16 +181,15 @@ and `gnus-topic-alist'.  Also see `gnus-variable-list'."
 (defun gnus-sync-lesync-call (url method headers &optional kvdata)
   "Make an access request to URL using KVDATA and METHOD.
 KVDATA must be an alist."
-  (flet ((json-alist-p (list) (gnus-sync-json-alist-p list))) ; temp patch
-    (let ((url-request-method method)
-          (url-request-extra-headers headers)
-          (url-request-data (if kvdata (json-encode kvdata) nil)))
-      (with-current-buffer (url-retrieve-synchronously url)
-        (let ((data (gnus-sync-lesync-parse)))
-          (gnus-message 12 "gnus-sync-lesync-call: %s URL %s sent %S got %S"
-                        method url `((headers . ,headers) (data ,kvdata)) data)
-          (kill-buffer (current-buffer))
-          data)))))
+  (let ((url-request-method method)
+       (url-request-extra-headers headers)
+       (url-request-data (if kvdata (json-encode kvdata) nil)))
+    (with-current-buffer (url-retrieve-synchronously url)
+      (let ((data (gnus-sync-lesync-parse)))
+       (gnus-message 12 "gnus-sync-lesync-call: %s URL %s sent %S got %S"
+                     method url `((headers . ,headers) (data ,kvdata)) data)
+       (kill-buffer (current-buffer))
+       data))))
 
 (defun gnus-sync-lesync-PUT (url headers &optional data)
   (gnus-sync-lesync-call url "PUT" headers data))
@@ -743,11 +754,22 @@ With a prefix, FORCE is set and all groups will be saved."
     ;; entry in gnus-newsrc-alist whose group matches any of the
     ;; gnus-sync-newsrc-groups
     ;; TODO: keep the old contents for groups we don't have!
-    (let ((gnus-sync-newsrc-loader (gnus-sync-newsrc-loader-builder)))
+    (let ((gnus-sync-newsrc-loader
+          (loop for entry in (cdr gnus-newsrc-alist)
+                when (gnus-grep-in-list
+                      (car entry)     ;the group name
+                      gnus-sync-newsrc-groups)
+                collect (cons (car entry)
+                              (mapcar (lambda (offset)
+                                        (cons offset (nth offset entry)))
+                                      gnus-sync-newsrc-offsets)))))
       (with-temp-file gnus-sync-backend
         (progn
           (let ((coding-system-for-write gnus-ding-file-coding-system)
                 (standard-output (current-buffer)))
+            (when gnus-sync-file-encrypt-to
+              (set (make-local-variable 'epa-file-encrypt-to)
+                   gnus-sync-file-encrypt-to))
             (princ (format ";; -*- mode:emacs-lisp; coding: %s; -*-\n"
                            gnus-ding-file-coding-system))
             (princ ";; Gnus sync data v. 0.0.1\n")